aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/netronome/nfp/bpf/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/bpf/main.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/bpf/main.c73
1 files changed, 54 insertions, 19 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c b/drivers/net/ethernet/netronome/nfp/bpf/main.c
index be2cf10a2cd7..8e3e89cace8d 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c
@@ -42,9 +42,11 @@
static bool nfp_net_ebpf_capable(struct nfp_net *nn)
{
+#ifdef __LITTLE_ENDIAN
if (nn->cap & NFP_NET_CFG_CTRL_BPF &&
nn_readb(nn, NFP_NET_CFG_BPF_ABI) == NFP_NET_BPF_ABI)
return true;
+#endif
return false;
}
@@ -89,22 +91,15 @@ nfp_bpf_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
struct nfp_net_bpf_priv *priv;
int ret;
- /* Limit to single port, otherwise it's just a NIC */
- if (id > 0) {
- nfp_warn(app->cpp,
- "BPF NIC doesn't support more than one port right now\n");
- nn->port = nfp_port_alloc(app, NFP_PORT_INVALID, nn->dp.netdev);
- return PTR_ERR_OR_ZERO(nn->port);
- }
-
priv = kmalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
nn->app_priv = priv;
spin_lock_init(&priv->rx_filter_lock);
- setup_timer(&priv->rx_filter_stats_timer,
- nfp_net_filter_stats_timer, (unsigned long)nn);
+ priv->nn = nn;
+ timer_setup(&priv->rx_filter_stats_timer,
+ nfp_net_filter_stats_timer, 0);
ret = nfp_app_nic_vnic_alloc(app, nn, id);
if (ret)
@@ -120,22 +115,62 @@ static void nfp_bpf_vnic_free(struct nfp_app *app, struct nfp_net *nn)
kfree(nn->app_priv);
}
-static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
- enum tc_setup_type type, void *type_data)
+static int nfp_bpf_setup_tc_block_cb(enum tc_setup_type type,
+ void *type_data, void *cb_priv)
{
struct tc_cls_bpf_offload *cls_bpf = type_data;
+ struct nfp_net *nn = cb_priv;
+
+ if (!tc_can_offload(nn->dp.netdev))
+ return -EOPNOTSUPP;
+
+ switch (type) {
+ case TC_SETUP_CLSBPF:
+ if (!nfp_net_ebpf_capable(nn) ||
+ cls_bpf->common.protocol != htons(ETH_P_ALL) ||
+ cls_bpf->common.chain_index)
+ return -EOPNOTSUPP;
+ if (nn->dp.bpf_offload_xdp)
+ return -EBUSY;
+
+ return nfp_net_bpf_offload(nn, cls_bpf);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int nfp_bpf_setup_tc_block(struct net_device *netdev,
+ struct tc_block_offload *f)
+{
struct nfp_net *nn = netdev_priv(netdev);
- if (type != TC_SETUP_CLSBPF || !nfp_net_ebpf_capable(nn) ||
- !is_classid_clsact_ingress(cls_bpf->common.classid) ||
- cls_bpf->common.protocol != htons(ETH_P_ALL) ||
- cls_bpf->common.chain_index)
+ if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
return -EOPNOTSUPP;
- if (nn->dp.bpf_offload_xdp)
- return -EBUSY;
+ switch (f->command) {
+ case TC_BLOCK_BIND:
+ return tcf_block_cb_register(f->block,
+ nfp_bpf_setup_tc_block_cb,
+ nn, nn);
+ case TC_BLOCK_UNBIND:
+ tcf_block_cb_unregister(f->block,
+ nfp_bpf_setup_tc_block_cb,
+ nn);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
- return nfp_net_bpf_offload(nn, cls_bpf);
+static int nfp_bpf_setup_tc(struct nfp_app *app, struct net_device *netdev,
+ enum tc_setup_type type, void *type_data)
+{
+ switch (type) {
+ case TC_SETUP_BLOCK:
+ return nfp_bpf_setup_tc_block(netdev, type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
}
static bool nfp_bpf_tc_busy(struct nfp_app *app, struct nfp_net *nn)